/*
 * Copyright (C) 2008 GeoScheduler Team, as stated on <http://www.geoscheduler.org/authors>.
 * 
 * This file is part of GeoScheduler.
 * 
 * GeoScheduler is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 * 
 * GeoScheduler is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Lesser General Public License for more details.
 * 
 * You should have received a copy of the GNU Lesser General Public License
 * along with GeoScheduler. If not, see <http://www.gnu.org/licenses/>.
 */
package org.geoscheduler.commons.tools;

import org.geoscheduler.model.Token;

/**
 * Static class providing methods to be used for security handling.
 *
 * @author srakyi
 */
public class SecurityTools {
	
	/**
	 * Computes checksum of given entity marshalled in {@link JSONObject} using given token.
	 * 
	 * Token's secret salt is used for checksum computation.
	 * 
	 * @param token	Token to be used for computation.
	 * @param entity	Entity to be checksummed.
	 * @return	Hex representation of SHA1 checksum.
	 */
	public static String computeChecksum(Token token, String data) {
		return StringTools.sha1sum(data + token.getSalt());
	}
}
